# STRIKING OR BUMPING
> MSHA accident `220092920015` · 10/16/2009 · Lhoist North America of Arizona Inc.
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STRIKING OR BUMPING
- **Accident type:** Struck against stationary object
- **Occupation:** Dryer operator, Kiln operator,  Dry plant operator,  Fluid operator, Bed dryer operator
- **Activity:** Machine maintenance
- **Injury source:** STAIRS,STEPS-OUTSIDE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 21.04 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Lhoist North America of Arizona Inc.
- **Mine:** [0400156](https://api.ai-analytics.org/mine/0400156)
## Narrative

Switching gas valves at kiln, struck his left knee below knee cap on portable steps and caused laceration.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*